- Author: Martina Hartmann, Claudia Märtl
- Language: German
- Year: 2013
- Author: Martina Hartmann
- Language: German
- Year: 2010
Die Merowinger
epub
- Author: Martina Hartmann
- Language: German
- Year: 2012
- Author: Martina Hartmann
- Language: German
- Year: 2011